205 Overheating problems
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  1. #1
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    205 Overheating problems

    Lo all.

    Long time no read. but anyway, living down here in Nowra, the temp has been warm over the past few days. Dont know who knows this area, but there is a nice big mountain called Camberwarra. When i climbed to the top, in my 205 in the usual spirited manner, the stop light came on and the water temp soared!!! but being the caring considerate driver i am, i pushed on, but backed off, to 40kph, just croozin, up to the top, as there is 10km of downhill windy, where the temp usually relaxes. . Well it did go back down, and the stop light went out. BUT!!!!! I want to open up my bonnet so that the hot air can get out.

    I was looking at a set of STI 22B bonnet vents for down the front of the bonnet, but i have had people beg me not to put the scooby bonnet scoop on the car. I am not really concerned with looks, but more the functuality. I have a sock on my air filter (not a dirty one :p ) and the scoop would provide cold air. (PUlled the cold air induction system out).

    My fans work (have 205 T16 twin fans in) very well, but was considering adding water spray as well.

    so bonnet vents or water spray. has anyone used either, and where would i source the vents. (please don't say mrt. i know mrt. i want somewhere else (i say this, sitting here wearing a mrt shirt )))

    Twould be great to get some other people's input

    Byron

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  2. #2
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    Byron, is yours turboed? If it isn't, forget the water spray (which would do practically nothing for the engine temp anyway, at the quantities they spray). And the bonnet vents you want if you want to go that way are the ones that let air out of the bonnet, not scoop it in, with a view to reducing pressure under the bonnet and getting more air flowing through the rad.

    You'd be better off sorting the rad. heat capacity out, if that's the limiting factor, assuming the system's all in good nick.

    Hope that's of some help.

    Cheers

    Stuey


    2003 PEUGEOT 206 GTi

  3. #3
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    vents will only work well at higher speeds..probably not when you're overheating i imagine! sounds to me your rad is sludged up. you could also try this as i have it on my 205. get a electrician to put an override switch in, so you can turn your fans on when u want. i have mine set up to the left hand button [spare] on the console just under the 3 big circles. when in heavy stop start traffic...simply press the button. it could save your credit card one day!!
    jr20516v

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  4. #4
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    I have already installed the fan override switch myself. I have a series one, so i dont have 3 big circles :p . If the fans are running, the bonnet vent will allow the air to get out. especially evo 6 bonnet vents. right at the nose. or a 205 T16 bonnet. Thats what i really want. But i would like the scoop at the back as well, as i have the sock, no cold air induction.

    I had the radiator flushed and cleaned when i rebuilt the motor 2 months ago. thinking i might replace the thermostat. just incase.

    so. back to my question. who does vents/scoops (other than mrt).

    Byron <img src="confused.gif" border="0">

  5. #5
    Fellow Frogger! Andreas's Avatar
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    most panel beaters should be able to fit them without any probs, it will depend on whether you want them flush or just stuck on top.
    For suppliers try Jetspeed or possibly SSV though i've heard a few things about them not being the best fitting parts.
    otherwise go to your newsagent and look through a copy of Hot4s mag.

    Andreas

  6. #6
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    Hrm, thanks Andreas,

    I just need to source them. I'll spray and fit them myself. I think i'll just have to go buy the mag.

    No one else has put working vents on their car?

  7. #7
    Fellow Frogger! Andreas's Avatar
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    ok i'll make it simpler for you
    <a href="http://www.xracing.com.au/" target="_blank">http://www.xracing.com.au/</a>
    <a href="http://www.newstylemotorsport.com" target="_blank">http://www.newstylemotorsport.com</a>
    <a href="http://www.jetspeed.com.au" target="_blank">http://www.jetspeed.com.au</a>

    or if you let me know exactly which ones you want i can ask some friends that can supply them.

    Andreas

  8. #8
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    AAAH THANKYOU THANKYOU THANKYOU!!!! Its greatly appreciated. I did it the otherday, in the rain, and the temp stayed ok, so I am starting to wonder about the thermostat. Maybe its not opening properly.

    But the more I think about the vents, the more I like the idea :p

  9. #9
    Fellow Frogger! DTwo's Avatar
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    Default

    Is the engine modified in some way?

    as far as i'm aware, 205s aren't prone to overheating when everything is working the way it should (on a stock engine at least)....

    the thermofans in my car seem to keep everything under control....and i've driven in a variety of situations where if the cooling were a lil borderline it would have shown.....
    ________
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    Last edited by DTwo; 22nd August 2011 at 02:10 AM.

  10. #10
    1000+ Posts Rod Hagen's Avatar
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    Mmm. I always worry about add on solutions to overheating problems like this.

    If you are SURE the radiator is fine, the fans are working when they are meant to, there isn't a waterpump problem (like leakage from the inlet to the outlet side, for example), the coolant hasn't been leaking anywhere, and the radiator hoses haven't gone internally, I'd be suspecting something like a valve on the way out or a head problem.

    Get the real problem fixed before doing something like adding extra 's like bonnet scoops. You may succeed in reducing the problem for a while by doing so but it will probably come back to bite you in the end, maybe at the price of a complete new engine!

    Overheating in Peugeots is a symptom that you need to get to the base of, not something that you fix with a band-aid.

    Cheers

    Rod
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  11. #11
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    Arrgh, dont tell me that. I have just rebuilt the motor. New bearings, pistons, rings, sleves, cam caps, seals, gaskets. . . . sigh. Maybe it could be a hose on the way out. I haven't replaced them, but the radiator was done at the same time. Might replace the thermostat, before cutting more holes in the bonnet (more being i attcked the bonnet with an air saw to put bonnet clips in :p )

  12. #12
    1000+ Posts Rod Hagen's Avatar
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    [quote]Originally posted by Peug205GTI:
    <strong>Arrgh, dont tell me that. I have just rebuilt the motor. New bearings, pistons, rings, sleves, cam caps, seals, gaskets. . . . sigh. :p )</strong><hr></blockquote>

    Paradoxically, that might be good news. Newly rebuilt motors often do run a bit hotter than ones that have been run in. Perhaps it just needs to settle in. After that sort of work though you'd want to be doubly sure that a problem in the rebuild hasn't actually created the problem.

    I'b be getting a full cooling system test run on the thing. I'm a 504& 505 driver, not 205, but if the water pump has been removed and replaced then a leak across the water pump gasket is one of the first places that I'd be looking if I suffered an overheating problem in such a situation.

    Other possible causes (apart from general "tightness") after a rebuild, could involve overly advanced timing, overly small valve clearances, perhaps a head that has a "worked" a bit causing a narrowing in valve clearances, and needs re-torquing, or changes in mixture settings (especially if has been "leaned up" too much). If the head was shaved excessively during the rebuild this can cause heat issues too. Often, of course, the problems only show when you are operating in a 'high heat stress environment".

    If the motor was professionally rebuilt I'd be taking it back to them for diagnosis. If you did it yourself work through the possible causes from simplest to hardest.

    I always put on new hoses, new belts, a new thermostat and a new radiator pressure cap after a motor rebuild. Its a false economy to risk such major work on "maybes".

    Cheers

    Rod
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